umf.cz - robtex.com
umf.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 209.250.224.249🇬🇧 AS-VULTR209.250.224.0/21 Vultr Assigned Prefix | ||||||
| PTR | 209.250.224.249.vultrusercontent.com | ||||||
| NS | ns.parktons.com ⭐ | ||||||
| A | 46.8.8.88🇨🇿 GRANSY46.8.8.0/24 | ||||||
| NS | beta1.rdrhost.com | ||||||
| A | 209.250.224.249🇬🇧 AS-VULTR209.250.224.0/21 Vultr Assigned Prefix | ||||||
| PTR | 209.250.224.249.vultrusercontent.com | ||||||
| NS | beta2.rdrhost.com | ||||||
| A | 45.76.135.224🇬🇧 AS-VULTR45.76.128.0/20 Vultr Assigned Prefix | ||||||
| PTR | 45.76.135.224.vultrusercontent.com | ||||||
| MX | mail.parktons.com ⭐ | ||||||
| A | 155.138.212.151🇺🇸 AS-VULTR155.138.192.0/19 Vultr Assigned Prefix | ||||||
| PTR | 155-138-212-151.lum-int.io | ||||||
| SOA | ns.parktons.comroot@parktons.com serial=2617179285 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1781493437 | ||||||
Subdomains
mail.umf.cz |
Same first word
Similar names
DNS History
18 records (5 active, 13 former)
●NSbeta1.rdrhost.com2026-06-13 → 2026-06-15 · 3 obs
● 2026-06-13 05:58:00
● 2026-06-15 03:50:40
●NSbeta2.rdrhost.com2026-06-13 → 2026-06-15 · 3 obs
● 2026-06-13 05:58:00
● 2026-06-15 03:50:40
●NSns.parktons.com2026-06-13 → 2026-06-15 · 3 obs
● 2026-06-13 05:58:00
● 2026-06-15 03:50:40
○NSns.wedos.com2016-02-17 → 2021-06-11 · 5 obs
● 2016-02-17 16:25:08
● 2021-06-11 04:24:30
○ 2026-06-13 05:58:00
○ 2026-06-15 03:50:40
○NSns.wedos.cz2016-02-17 → 2016-03-09 · 5 obs
● 2016-02-17 16:25:08
● 2016-03-09 16:33:42
○ 2016-04-13 18:24:14
○ 2026-06-15 03:50:40
○NSns.wedos.eu2016-02-17 → 2021-06-11 · 5 obs
● 2016-02-17 16:25:08
● 2021-06-11 04:24:30
○ 2026-06-13 05:58:00
○ 2026-06-15 03:50:40
○NSns.wedos.net2016-02-17 → 2016-10-18 · 5 obs
● 2016-02-17 16:25:08
● 2016-10-18 18:34:54
○ 2021-06-11 04:24:30
○ 2026-06-15 03:50:40
○NSns1.ignum.com2015-07-11 → 2015-11-12 · 4 obs
● 2015-11-12 19:42:26
○ 2015-12-30 00:33:24
○ 2026-06-15 03:50:40
○NSns2.ignum.cz2015-07-11 → 2015-11-12 · 4 obs
● 2015-11-12 19:42:26
○ 2015-12-30 00:33:24
○ 2026-06-15 03:50:40
●MXmail.parktons.com2026-06-13 → 2026-06-15 · 3 obs
● 2026-06-13 05:58:00
● 2026-06-15 03:50:40
○MXmail.umf.cz2015-07-11 → 2015-11-12 · 4 obs
● 2015-11-12 19:42:26
○ 2015-12-30 00:33:24
○ 2026-06-15 03:50:40
○MXrelay.gigaweb.cz2015-07-11 → 2015-11-12 · 4 obs
● 2015-11-12 19:42:26
○ 2015-12-30 00:33:24
○ 2026-06-15 03:50:40
●A209.250.224.2492026-06-13 → 2026-06-15 · 3 obs
● 2026-06-13 05:58:00
● 2026-06-15 03:50:40
○A2a02:2b88:1:4::162016-02-17 → 2016-10-18 · 5 obs
● 2016-02-17 16:25:08
● 2016-10-18 18:34:54
○ 2021-06-11 04:24:30
○ 2026-06-15 03:50:40
○A2a02:2b88:1:4::182021-06-11 → 2021-06-11 · 4 obs
● 2021-06-11 04:24:30
○ 2026-06-13 05:58:00
○ 2026-06-15 03:50:40
○A46.28.105.22016-02-17 → 2016-10-18 · 5 obs
● 2016-02-17 16:25:08
● 2016-10-18 18:34:54
○ 2021-06-11 04:24:30
○ 2026-06-15 03:50:40
○A46.28.105.42021-06-11 → 2021-06-11 · 4 obs
● 2021-06-11 04:24:30
○ 2026-06-13 05:58:00
○ 2026-06-15 03:50:40
○A89.185.255.1812015-07-11 → 2015-11-12 · 4 obs
● 2015-11-12 19:42:26
○ 2015-12-30 00:33:24
○ 2026-06-15 03:50:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| umf.cz | beta1.rdrhost.com, beta2.rdrhost.com | - |
✅ Authoritative Response
Server:45.76.135.224
NS records: beta1.rdrhost.com, beta2.rdrhost.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for umf.cz (unsigned zone)
⏱️ Timing
Total: 1068ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.250.224.249 |
| NS | 2 | beta1.rdrhost.com, beta2.rdrhost.com |
| MX | 1 | mail.parktons.com (pri: 10) |
| SOA | 1 | ns.parktons.com root.parktons.com |
Analysis
Hierarchy
umf.cz is the parent zone for mail.umf.cz.
IP Addresses
umf.cz points to a single IP number: 209.250.224.249.
Additional host names — tbg.cz, vetlekar.cz, usashop.cz and two others — share IP numbers with umf.cz.
Name Servers
umf.cz has three name servers — ns.parktons.com, beta1.rdrhost.com and beta2.rdrhost.com.
umf.cz partially shares its NS delegation with several other domains, including coinkorea.info, tepro.cz, ensa.cz and two others.
In DNS configurations, these name servers often share authority with ns2.parktons.com, alpha1.rdrhost.com, alpha2.rdrhost.com and 6 other name servers.
Each of the three hostnames points to exactly one IP address: ns.parktons.com points to 46.8.8.88, beta1.rdrhost.com points to 209.250.224.249 and beta2.rdrhost.com points to 45.76.135.224.
Mail Servers
umf.cz has one mail server: mail.parktons.com.
umf.cz shares the same mail server setup as other domains, including 68417b5fb8d85181.xyz, www.agqoshfujku.com, mx.daniela.cz and two others.
mail.parktons.com points to one IP number — 155.138.212.151.